Nigeria’s drop in the FIFA rankings continued in October, as they fell five places to 42nd.
Last month, the Super Eagles were rated 37th best team in the world, after finishing August in 33rd place.
The African champions were beaten 1-0 in Khartoum by lowly Sudan, before they exacted revenge days later in Abuja, with a battling 3-1 victory.
Overall, Germany remains the highest-ranked team in the world, ahead of Argentina and Colombia.